Sole-nailing machine



4 Sheets-Sheet 1.-

. J. E. KIMBALL.

SOLE NAILING MACHINE.

(No Model.)

Patented Deal 9, 1882.

war/eases Fig X Z Ma;

N. PETERS. Pbaho-Lithonpbon Washington. ac.

(N0 Mode1.) 4 Sheets-Sheet 3.

J. E. KIMBALL.

SOLE NAILING MACHINE.

No. 269,502. atented D 0.19, 1882.

wiabeaote y; F 5 I 7112621152 4 Sheets-Sheet 4.

( No Model.)

J. E. KI MBALL.

SOLE NAILING MACHINE.

Patented o. 19, 1882.

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UNITED STATES JOSEPH E.

PATENT Gretna.

KIMBALL, OF MILFORD, ASSIGNOR TO HENRY S. JENKINS,

TRUSTEE, OF BOSTON, MASSACHUSETTS.

SOLE-NAILING MACHINE.

SPECIFICATION forming part of Letters Patent No. 269,502, dated December 19, 1882.

' Application filed September 16, 1882. (No model.) i

T 0 all whom it may concern Be it known that I, JosEPH E.K1MBALL,-of Milford, in the county of Worcester and State of Massachusetts, have invented a new and useful Sole-Nailing Machine, of which the following is a specification.

The main object of my invention is to-provide an organized machine which will form a fastening with a milled clinching-point from wire and drive the same.

It is of great importance that metallic fastvenings for boots and shoes'shall have a point adapted to clinch on striking the metal surfaceinside the shoe. Such fast-enings havelong been used, but have heretofore been driven by hand. In my improved machine such fastenings are both formed and driven; and the main feature of my invention consists inthe combination, in an organized machine, of mechanism for forming the fastenings by milling the points with mechanism for driving the fasten- The other features of my invention are all based upon this main combination, and will be fully described hereinafter.

The accompanying drawings illustrate a machine with all my improvements as embodied in the best way now known to me.v

Figure 1 is a frontview, Fig. 2, a rear view. Fig. 3 is a side view. Fig. 4 is a section on line 9741331161 Fig. 5 a section on line :1 y, of Fig.

,3. Fig. 6 is a section on linez 20f Fig.1.

Figs. 7 and 8 are enlarged details of the pointing and severing mechanism, and Fig. 9 is a detail of part of the device for transferring the nail from the severing to the driving mechanism.

A pedestal, A, forms a support of the desired height.

B is the usual horn, supported in the usual way on bracket a.

O is the frame, mounted upon the pedestal A.

The main shaft D is supported, in the usual way, in the frame 0. by belt and pulley, (not shown,) and carries the usual cam, d, for lifting the driver-bar E. It also carries a cam, F, which operates the upper. member of the severing device, hereinafter referred to, and a gear, H, which meshes with the gear h to drive the shaft I. This shaft I carries the cams it '5 the functions of which will be fully described hereinafter. .Two mill- This shaft D is driven m, mounted in the ends of the levers m" m These levers are pivoted at m m to the studs m of. Pulleys m m driven by belts, serve to give a rapid rotary motion to the millingwheels M M. The wire to be milled at proper intervals to form clinching-points is passed through proper guides and between the jaws n n on one arm of the feed-lever N. One of ing-wheels, M M are secured to the shafts m in two sections, one of which, Q, is fixed, the

other, Q, being movable, so that it may be forced at the right time against the wire to clamp, and firmly holdit while subjected to the action of the milling-wheels. This clamping device is operated by a plunger, 1 mounted in the end of a bar, q", connected to the wedge m This wedge m at the proper time is forced in between the ends of the levers m m thereby causing those ends of the levers to separate, and, as is obvious, causing the milling-wheels at the other ends of the levers to approach each other, cut away the wire, and form the point. The plunger g is acted on by a spring, q, and kept normally pressed against a suitable stop. It is evident that so soon as the bar g is advanced sufficiently to bring the end of the plunger g against the movable -por-- tion Q of the guideway the tension of the spring (1 will cause Q to bear with corresponding force against the wire, and hold it while being milled. The wedge ml is attached to a slide, m, moving in ways and forced one way by the cam 6, against which it is always held by the spring on. The feed-lever N is moved in one direction by the cam i and in the other direction by the spring a. The movement caused by the spring 11 produces two results-viz., to first feed the wire the length requisite to bring it in position for the action of the millingwvheels, and, secondly, to deliver the pointed wire to the severing and carrying devices. The first feed takes place as the cam i revolves and allows the spring a to draw one end of the lever N up against the stop 5*, and consequently cause the other end of the lever N to descend and feed the wire. The lever N is then held by the stop i until the point is formed and the milling-wheels are separated.

Fig. 7 shows on a larger scale the millingwheels brought together to cut the point, after which they are separated, as shown in Fig. 8, when the wire is fed farther, the milled point is gripped by the jaws P P, and a nail is entirely within one of the three chambers r r r (see Fig. 9) of the intermittently-revolving block It, the movement of which severs the nail from the wire.

The second feed of the wire, above referred to, takes place when lug i on the cam i strikes one arm of the stop 43*, which is pivoted on the arm a of the pedestal A, and forces it out of the way of the end of the feed-lever N, which is then drawn up by the spiing or against the second stop, i thereby throwing down the other end of the feed-lever N and completing the feeding of the wire. The stop 17 is returned to place by a suitable spring as soon as the lever N is again depressed by the cam 2 The block It is intermittently revolved by the cum 6 and the connecting-rod 9, which moves the arm 1*, that carries a pawl, 1 which, engaging with the teeth of the ratchet r causes the cog-wheel r to move onesixth of a revolution ateach forward motion of the connect ing-rod W. This cog-wheel r meshes with another cog-wheel, 1, attached to the block It. The wheel T has its teeth so proportioned that it moves twice the distance moved by the wheel 7, and consequently moves the block It one-third of a revolution for each stroke of the connecting-rod r and brings one of the chambers 1'1" 1*, with its inclosed nail, directly under the driver. The jaws P P, that grip and hold the point when the nail is severed by the movement of the block It, are closed by the wedgep on one end of the lever 19, pivoted at p and actuated by the cam F on the main shaft D. The spring 19 causes thejaws P Pto open when the wedgep is withdrawn.

In some classes of shoes it is desirable that the feed be such that the length of each fastening shall correspond with the thickness of the stock. I accomplish this by pivoting frame 0 to the pedestal A, so that its throat T shall rest on the stock.

It is evident that the thicker the stock the higher the throat will be raised from the face of the horn B, and consequently the other end of the frame (J and the back end of the lever N will be lowered, and thereby give a greater length of stroke to the lever N, and cause a greater length ofwire to be fed to form a longer nail. When so arranged, the springthat throws down the driver may be attached to the pedestal A, (or the ceiling of the room,) instead of being attached to the tilting frame U. By thus attaching the spring it is evident that its force is increasedin proportion to the thicknessof the stock or the length of nail to be driven. The driver, being down, as showu in the drawings, is lifted as usual against its spring, and while it is rising the wire-feeding mechanism operates, causing, with that form of feed mechanism shown in the drawings, a partial feed only of the wire. Then the clinching-point is milled and the final feed takes place; butit will be clear that other forms of wire-feed mechanism may be used instead of that shown, I having devised and adopted that because it is preferable to any other known to me, and also furnishes a new and simple means for causing the length of wire fed to conform to the thickness ofthe'stock. It is also clear that other clamping devices may be substituted for those shown, the important matter here being simply to hold the wire securely enough to admit of the proper operation of the milling-cutters.

The milling-cutters may operate upon the end of the wire, instead of atadistance from the end, and instead of approaching and receding from each other they may be so mounted as to have no motion relatively one to the other, as will be well understood by all skilled in the art.

The particular mechanism shown for severing the nail is new with me in its construction, and is preferable to any other known to me; but in one form of machine contemplated by me, when determining the best form in which to embody my invention, the wire was severed before its point was milled. I am, however, of opinion, on the whole, that it is better to mill the point before severing the fastening from the wire.

Several forms of mechanism for transferring the fastening from the line of feed of the wire to the line of the nail-tube and driver are well known in machines which cut ott'a fastening from acoil of wire and drive it; but I believe the particular mechanism shown is new with me, and is in some respects more desirable than any ever before used. It will be clear, however, that while I claim the particular mechanisms for feeding the wire, milling the points, severing the pointed fastening, and carrying it in line with the nail-tube and driver, I do not claim to he the originator of mechanisms which will accomplish these several results,and make no broad claim, except to the combination of mechanism for milling with mechanism for driving metallic fastenings.

Before the driver reaches its highest point the mechanism for milling the fastening has done its work and the finished fastening has been brought. into line with the nail-tube and driver, ready to be driven through the nailtube and into the stock when the driver is thrown down by its spring. The feed-lever S is actuated bythe usual eccentric on the main shaft as the driver ascends, when an automatic feed is used, as it is in most machines.

The operation of the horn is too well known to need description. The jack may of course be used instead of the born for supporting the shoe; but in that case the tiltingframe U will not operate as when the horn is used, for as the upper surface of the horn is always at the same height the frame (J is tilted more or less scarcely practical when the usual jack is used.

Moreover, when the horn is used the feed-lever S tilts the frame, when it is thrust down, thereby lifting the throat T oii' of the stock, which is then fed by the sidewise motion of feed-foot which forms the lower end of feed-lever S.

\Vhen the jack is used the fraineU should be checked or otherwise rigidly secured upon pedestal A, so that the downward thrust of the feed-lever S will depress the jack in the way which has long been known and in common use.

So far as I know, I am the first to feed the shoe by first lifting the throat off of the sole and then sliding the shoe over the horn.

W hen thejack is usedand the frameO does not tilt, the feed-lever N will of course always feed the same length of wire. and consequently its stops should be made adj nstable at the will of the operator-as, for example, by making the arm a in two pieces, the upper piece sliding on the lower one, and adjustable by a cam or screw to increase or diminish the distance between the outer end ofleverNand its stops, and thereby increase or diminish the length of the feeding stroke of lever N at such time as the operator desires a longer or shorter fastening.

What I claim as my invention is- 1. In combination, wire-feeding mechanism and point-milling mechanism,substantially as described, with mechanism for driving the fastenings, substantially as described.

2. The wire-feed lever having a constant stroke in one direction, in combination with one or more stops to determine the length of the feed-stroke ofthe lever, the length of wire fed being in accordance with the distance between the end of the lever and the arresting carrier acting to sever the wire at the junction of the milled point of one fastening with the butt of another fastening, as set forth.

5. 1n combinatioxu'thejaws PP and cutter and carrier R, substantially as described.

6. In combination, the tilting frame O,feedlever S, throat T, and horn B, substantially as described.

JOSEPH E. KIMBALL.

Witnesses:

W. A. COPELAND, JOHN R. SNOW. 

